Chronic pain in older people can be significantly relieved by medical cannabis therapy without adverse effects, finds a research team at Ben-Gurion University of the Negev (BGU) and the Cannabis Clinical Research Institute at Soroka University Medical Center.
The study published in the journal The European Journal of Internal Medicine reveals that cannabis therapy is safe and effective for elderly patients to address cancer symptoms, Parkinson's disease, post-traumatic stress disorder, ulcerative colitis, Crohn's disease, multiple sclerosis, and other medical issues.
"While older patients represent a large and growing population of medical cannabis users, few studies have addressed how it affects this particular group, which also suffers from dementia, frequent falls, mobility problems, and hearing and visual impairments," says Prof. Victor Novack, M.D., a professor of medicine in the BGU Faculty of Health Sciences (FOHS), and head of the Soroka Cannabis Clinical Research Institute. Novack is also the BGU Gussie Krupp Chair in Internal Medicine.
This older population represents a growing segment of medical cannabis users, ranging from approximately seven percent to more than 33 percent, depending on the country. Recent U.S. polls indicate Americans over 65 represent 14 percent of the total population and use more than 30 percent of all prescription drugs, including highly addictive painkillers.
BGU scientists surveyed 2,736 patients 65 years and older who received medical cannabis through "Tikun Olam," the largest Israeli medical cannabis supplier. More than 60 percent were prescribed medical cannabis due to the pain, particularly pain associated with cancer. After six months of treatment, more than 93 percent of 901 respondents reported their pain dropped from a median of eight to four on a 10-point scale. Close to 60 percent of patients who originally reported "bad" or "very bad" quality of life upgraded to "good" or "very good" after six months. More than 70 percent of patients surveyed reported moderate to significant improvement in their condition.
The most commonly reported adverse effects were dizziness (9.7 percent) and dry mouth (7.1 percent). After six months, more than 18 percent of patients surveyed had stopped using opioid analgesics or had reduced their dosage.
All patients received a prescription after consulting with a doctor who prescribed treatment. More than 33 percent of patients used cannabis-infused oil; approximately 24 percent inhaled therapy by smoking, and approximately six percent used vaporization.
While the scientists state their findings to date indicate cannabis may decrease dependence on prescription medicines, including opioids, more evidence-based data from this special, aging population is imperative.